Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 45° 36° 90° 42° 45° 36° 90° 42° ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Impedance relay. IDMT relay. Mho relay. Buchholz relay. Impedance relay. IDMT relay. Mho relay. Buchholz relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 16. 24. 6. 12. 16. 24. 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 7.95 × 10-3 7.95 × 10³ 2 × 10-3 8 × 10³ 7.95 × 10-3 7.95 × 10³ 2 × 10-3 8 × 10³ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 35° 30° 45° 60° 35° 30° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of None of these over head lines same in both cases power cables None of these over head lines same in both cases power cables ANSWER DOWNLOAD EXAMIANS APP